proportional中文什么意思

adj.
(成)比例的；相称的，平衡的，调和的 (to)。 a proportional number 比例数。 a proportional error 相对(比例)误差(率)。n.
【数学】比例项，比例量。 be directly [inversely, reciprocally ] proportional to 与…成正[反]比例。n.
-ist
+更多解释...1.主张实行比例代表制者。
2.(人力、物力等的)分派比例的安排者。adv.
-ly
按比例地，相应地，相配合地；比较地。

• be proportional to:    与...成比例
• proportional to:    成正比; 与...相称，与...成比 ...
• a is positively proportional to:    成正反比

例句与用法

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1. This served to create output pulses proportional to the number of electrons emitted .
   这个装置用于产生与发射电子数成正比的脉冲输出。
2. He then observed that under these same assumptions the area is proportional to the defect .
   他于是指出在同样的假设下，面积与亏值成正比。
3. We now discuss the case of a force that is proportional to the first power of the velocity,
   现在，我们要讨论力与速度的一次幂成正比的情况。
4. One very important feature of pseudo forces is that they are always proportional to the masses .
   赝力的一非常重要的特征是，它们永远与质量成正比。
5. The rate of change of velocity, for a given body, is directly proportional to the exerted on it .
   对于一个物体，其速度的变化率与它所受的力成正比。

英文释义

名词

1. one of the quantities in a mathematical proportion

形容词

1. properly related in size or degree or other measurable characteristics; usually followed by `to''; "the punishment ought to be proportional to the crime"; "earnings relative to production"
   同义词：relative
2. having a constant ratio